Recent questions tagged java

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java - show data on a JTextArea instead of console

I want to have a JTextArea that can completely work instead of a console but I don't know how to do this! Thank you See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Read and display incoming message text android

I am new to android development.I am developing small android application. In my application I want to retrieve newly ... Help.. Thank you... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How do you convert an Elasticsearch JSON String Response, with an Aggregation, to an Elasticsearch SearchResponse Object

I want to serialize a json string to an Elasticsearch SearchResponse object. It works fine if the json string doesn't ... i don't know how to. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Random access InputStream using AES CTR mode in android

I am unable to find any working example for AES CTR encryption for random access. Can someone guide me ... new CipherInputStream(in, cipher); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Table per subclass inheritance relationship: How to query against the Parent class without loading any subclass ??? (Hibernate)

Suppose a Table per subclass inheritance relationship which can be described bellow (From wikibooks.org - see here) ... loading any subclass ??? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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328 views

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java - Quicker way to calculate geographic distance between two points

I borrowed the following method from somewhere on the internet (Can't remember where). But its doing a straight ... focus on my speed concern. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Querying ManyToMany relationship with Hibernate Criteria

I'm not sure how to describe this problem, so I think an example is the best way to ask my question: ... is there a Hibernate Criteria analog?" See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Override Swing Nimbus L&F primary color per component instance

i'm trying to override the nimbusBase color for specific instance of JButton/JTabbedPane with no luck. ... Nimbus.Overrides", dialogTheme); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - BadPaddingException : Decryption error

I'm writing a program which takes as input from the console - the name of a zip file, name of a zip ... .close(); originalZipFile.close(); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to adjust JTable columns to fit the longest content in column cells

I'm using answer https://stackoverflow.com/a/5820366 and http://tips4java.wordpress.com/2008/11/10/table-column- ... <br> fixed row adjustment. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to put properly a libgdx application inside swing application?

I'm creating a level editor for my game, and I ave a problem using LwjglCanvas with a JFrame. I use a JFrame ... say easier) method to do that ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Loading JDBC driver

I am told that the prefered method to load the JDBC driver is : Class.forName(driverName); I understand ... object with merely this statement? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Unresponsive threading involving Swing and AWT-EventQueue

I have an application that is unresponsive and seems to be in a deadlock or something like a deadlock. See the two ... here or how to fix it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to run USSD commands on android?

has anyone know how to runs USSD command for checking phone's credit balance (the number is *123#) and ... ) for further processing?? thankss See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to concat or merge two or more video files in Android?

I want to merge two or more video files (they may be two mp4 or two 3gp, or any other format). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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203 views

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java - How to write an Aspect pointcut based on an annotated parameter

I'm having a bit of trouble working out how to create a pointcut that will operate on beans that have a ... answer does not show this). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to enforce TLS1.2 to Rest client using Rest Template

I am consuming json webservice using Spring3.0 restTemplate by calling post method. MultiValueMap<String, String> ... how to achieve same. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Spring MVC -> JSON response

I hava a JAVA EE backend and I am using Spring MVC. I have a AJAX call like this: function getAllProjects() { ... know how this can be done? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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181 views

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java - EJB 3.1 @EJB Injection into POJO

With the new EJB 3.1 spec is it possible to inject an EJB into a pojo? I know in EJB 3.0 the @EJB ... you cannot simple use the new keyword. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Spring Boot SpEL ConditionalOnExpression check multiple properties

Question: How can I use Spring Expression Language to check that 2 Boolean properties are true? For example, ... proving to be fairly elusive. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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444 views

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java - Jackson - Recursive parsing into Map<String, Object>

I'm trying to simplify my code: I want to store key and values (all strings). I'm actually using a Map<String, ... : " + e.getMessage()); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JRE 32bit vs 64bit

I've been using Java for a while now, and my typical ritual of setting up a new dev machine requires the norm ... bit JRE onto a 32 bit system. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to programmatically grant the "draw over other apps" permission in android?

How can I programmatically grant the permission in Settings -> Apps -> Draw over other apps in Android? I ... and grant the permission first. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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305 views

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java - is it possible to iterate two items simultaneously using foreach in jstl?

I have two items from my model and I want to iterate them at the same using jstl foreach. how can I achieve this using a correct syntax? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why do we write out.println() in jsp instead of System.out.println()?

I started learning jsp and I am seeing that, if we want to print something in jsp,we have to write out. ... to write System in jsp? Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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306 views

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java - Checking if two strings are permutations of each other

How to determine if two strings are permutations of each other See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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226 views

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java - REST with JAX-RS - Handling long running operations

I have a REST service implemented with JAX-RS. Some of the operations take a long time to complete, ... help is appreciated. Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to get fully materialized query from querydsl

I am trying to use querydsl for building dynamic queries for dynamic schemas. I am trying to get just the query ... )); } return query; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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